To Vivaaerobus Change Flight, go to their official website and sign in to your account. Find your reservation and click the "Change Flight" button. Change your travel dates, times, or destinations based on availability by following the directions. Change fees and fare discrepancies may apply. If you made your reservation through a third party, please contact them or VivaAerobus customer support for assistance. Access their website and log in to your account to change a VivaAerobus flight. Locate your reservation and select the "Change Flight" option. Based on availability, follow the instructions to change your travel dates, times, or destinations. Take note of any applicable change fees and ticket variations. Contact the third party or VivaAerobus customer support if you booked through them. Make sure you understand the airline's unique change policy. To finish the procedure, confirm the new flight details and pay any applicable fees.